Patents by Inventor John Olav Fagerlie

John Olav Fagerlie has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11123792
    Abstract: Apparatus and method for filtering molten metal including a container with a removable lid to keep the container sealed during operation, the container having an inlet chamber having an inlet opening receiving metal from a metal supply launder and outlet chamber with outlet opening connected to a launder segment. The container having a partition wall between the inlet chamber and outlet chamber and a ceramic foam filter mounted in the outlet chamber. The inlet chamber and outlet chamber being provided within the container and split by the partition wall. The container being connected in parallel with the metal supply launder via stubs. The launder being provided with a dam or valve device downstream the outlet of the container and another dam or valve device between the said launder stubs. Inside the container there is further arranged a second outlet chamber with a filter.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: September 21, 2021
    Assignee: NORSK HYDRO ASA
    Inventors: Ulf Håkon Tundal, Idar Kjetil Steen, John Olav Fagerlie, Terje Haugen
  • Publication number: 20210039162
    Abstract: Lifting device for lifting a longitudinal cast product from a casting pit, the cast product arranged in the casting pit such that a longitudinal axis of the cast product is in a vertical direction, the device having a support structure that is, optionally permanently, fixed to a ground surrounding the casting pit, a lifting structure that has an end that is rotatably connected to the support structure via a support bearing, a head that is, optionally rotatably, connected to the lifting structure and that can selectively attach to the cast product.
    Type: Application
    Filed: May 14, 2019
    Publication date: February 11, 2021
    Applicant: NORSK HYDRO ASA
    Inventors: Geir Olav ÅNESBUG, John Olav FAGERLIE
  • Patent number: 10882101
    Abstract: Apparatus and method for filtering molten metal, in particular aluminium, including a container (1) with an outer shell or casing of metal and an inner thermally insulated interior cladding or wall construction made of heat resistant insulation and refractory material. A removable lid (2) provided on top of the container to keep the container sealed (air tight) during operation, the container (1) being provided with an inlet chamber (3) having an inlet opening (4) receiving metal from a metal supply launder (10) and an outlet chamber (5) with an outlet opening (6) in which a ceramic or refractory filter (7) is mounted.
    Type: Grant
    Filed: January 28, 2016
    Date of Patent: January 5, 2021
    Assignee: NORSK HYDRO ASA
    Inventors: Ulf Tundal, Idar Kjetil Steen, John Olav Fagerlie, Terje Haugen
  • Publication number: 20200061697
    Abstract: Apparatus and a method for filtering molten metal, in particular aluminium, including a container (1) with a removable lid (20) provided on top of the container to keep the container sealed (air tight) during operation, the container (1) being provided with an inlet chamber (2) having an inlet opening (5) receiving metal from a metal supply launder (10) and outlet chamber (3) with outlet opening (6) connected to a launder segment (10?). The container further being provided with partition wall (8) between the inlet chamber (2) and outlet chamber (3) and with ceramic foam filter (17) mounted in the outlet chamber. The inlet chamber (2) and outlet chamber (3) are provided side by side within the container (1) and being split by the partition wall (8) extending from the bottom of the container and upwardly to a preset level of the container interior height.
    Type: Application
    Filed: May 15, 2018
    Publication date: February 27, 2020
    Applicant: NORSK HYDRO ASA
    Inventors: Ulf Håkon TUNDAL, Idar Kjetil STEEN, John Olav FAGERLIE, Terje HAUGEN
  • Publication number: 20180264545
    Abstract: Apparatus and method for filtering molten metal, in particular aluminium, including a container (1) with an outer shell or casing of metal and an inner thermally insulated interior cladding or wall construction made of heat resistant insulation and refractory material. A removable lid (2) provided on top of the container to keep the container sealed (air tight) during operation, the container (1) being provided with an inlet chamber (3) having an inlet opening (4) receiving metal from a metal supply launder (10) and an outlet chamber (5) with an outlet opening (6) in which a ceramic or refractory filter (7) is mounted.
    Type: Application
    Filed: January 28, 2016
    Publication date: September 20, 2018
    Applicant: NORSK HYDRO ASA
    Inventors: Ulf TUNDAL, Idar Kjetil STEEN, John Olav FAGERLIE, Terje HAUGEN
  • Patent number: 8413711
    Abstract: A device in connection with equipment for continuous or semi-continuous casting of metal, in particular direct mold (DC) casting of aluminum in the form of a billet or wire billet. The device includes a mold with a cavity or a mold (3) that is provided with an inlet connected, via supply channels (6, 18) and a distribution chamber (5), to a metal reservoir (13) and an outlet arranged in the mold with a support and devices for cooling the metal. In connection with the supply channels (6, 18) between the metal reservoir (13) and the molds (3), a metal lifting container (15) is arranged at an inlet (16) to the metal reservoir (13) via a channel (18) and to the distribution chamber (5) and the molds (3) via an outlet (17) via another channel (6).
    Type: Grant
    Filed: November 26, 2008
    Date of Patent: April 9, 2013
    Assignee: Norsk Hydro ASA
    Inventors: Bjørn Vaagland, John Olav Fagerlie, John Erik Hafsås, Arild Håkonsen, Geir Øyen, Terje Iveland
  • Publication number: 20110048667
    Abstract: A device in connection with equipment for continuous or semi-continuous casting of metal, in particular direct mould (DC) casting of aluminium in the form of a billet or wire billet, comprising a mould with a cavity or mould (3) that is provided with an inlet connected, via supply channels (6, 18) and a distribution chamber (5), to a metal reservoir (13) and an outlet arranged in the mould with a support and devices for cooling the metal. In connection with the supply channels (6, 18) between the metal reservoir (13) and the moulds (3), a metal lifting container (15) is arranged that is connected at an inlet (16) to the metal reservoir (13) via a channel (18) and to the distribution chamber (5) and the moulds (3) via an outlet (17) via another channel (6).
    Type: Application
    Filed: November 26, 2008
    Publication date: March 3, 2011
    Applicant: NORSK HYDRO ASA
    Inventors: Bjorn Vaagland, John Olav Fagerlie, John Erik Hafsås, Arild Håkonsen, Geir Oyen, Terje Iveland